Home / 3,210.69-4,453.42-3,125.35

Finding the Fourth Proportional to 3,210.69, 4,453.42 and 3,125.35

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Solution

The fourth proportional to 3,210.69, 4,453.42 and 3,125.35 is: 4,335.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210.69 : 4,453.42 = 3,125.35 : x
  2. Step 2: Convert to fraction form
    3,210.69/4,453.42 = 3,125.35/x
  3. Step 3: Cross multiply
    3,210.69x = 4,453.42 × 3,125.35
  4. Step 4: Simplify right side
    3,210.69x = 13,918,496.20
  5. Step 5: Solve for x
    x = 13,918,496.20/3,210.69
  6. Step 6: Final answer
    x = 4,335.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.